package com.itggm.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;

/**
 * 阿里云 OSS 工具类
 */
@Component
public class AliOSSUtil {

    private final String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
    private final String accessKeyId = "LTAI5tNibibQgjawofLPqLs5";
    private final String accessKeySecret = "zJKWKrS3Mq7SHK7r7CyHcna9mdJsZv";
    private final String bucketName = "web-material";

    /**
     * 实现上传图片到OSS
     */
    public String upload(MultipartFile file) throws IOException {
        // 获取上传的文件的输入流
        InputStream inputStream = file.getInputStream();

        // 避免文件覆盖
        String originalFilename = file.getOriginalFilename();
        String fileName = UUID.randomUUID() + originalFilename.substring(originalFilename.lastIndexOf("."));

        //上传文件到 OSS
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
        ossClient.putObject(bucketName, fileName, inputStream);

        //文件访问路径
        String url = endpoint.split("//")[0] + "//" + bucketName + "." + endpoint.split("//")[1] + "/" + fileName;
        // 关闭ossClient
        ossClient.shutdown();
        return url;// 把上传到oss的路径返回
    }
     /**
      * @Author: ggm
      * @date:  2024/11/20
      * @Description: 删除文件
      */
     public void delete(String objectName) {
           // 创建 OSSClient 实例
         OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
         try {
             ossClient.deleteObject(bucketName, objectName);
             System.out.println("Object with name " + objectName + " was deleted successfully.");
         } catch (OSSException oe) {
             System.out.println("Error deleting object with name " + objectName + ": " + oe.getMessage());
         }
     }



}
